[time-nuts] FSA3011 Frequency Stability Analyzer

[Jan Boutsen]

Hello TOM,,
I have one underway via Aliexpress.
In a research project at a  university ,a side line is stability of some
sources.
Apart from more classical measurements, the setup of the FSA3011 and
measurements of several sources can be done by one ore more students as
project work.
This however means that work will be progressing at student rate...... That
only SMALL changes/enhancements can be made. No redesign/no writing new
soft.
However simple things are possible. Keeping in mind the student will be new
to these subjects and the main aim  is NOT designing a new FSA3011.
At first instance we will be happy with a good (stable) running set up and
understanding the pros and cons of the FSA3011 with respect to the more
usual set ups.

Jan  ON4MMW

-----Original Message-----
From: time-nuts <time-nuts-bounces at lists.febo.com> On Behalf Of Tom Van Baak
Sent: 02 August 2019 02:01
To: time-nuts at lists.febo.com
Subject: Re: [time-nuts] FSA3011 Frequency Stability Analyzer

If anyone else has a FSA3011 please contact me, off-list. It seems to
function on split-signal noise floor tests, but has real trouble with
tracking and comparing actual oscillators. More details soon, but in case
it's just my unit, I'd like to talk with anyone else who's got one. 
Only a few seem to have been sold; I'm hoping one or two of them were to
time nuts reading this.

Thanks,
/tvb


On 7/26/2019 12:02 PM, Tom Van Baak wrote:
> Yes, I'm evaluating a FSA3011 at the moment. It's a cute little unit.  
> > Documentation is sparse, the jpg plots are fuzzy, "customer" support
 > is nil, but it works. My initial tests show it's ~4x worse than the >
data sheet claims but it turns out the unit is quite dependent on the > rise
time and power of the input signals so YMMV. >
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